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Pyramids statistics & best solutions

Users accepted	Submissions	Accepted	Wrong Answer	Compile Error	Runtime Error	Time Limit Exceeded
5591	16619	6144	7069	1852	853	164

RANK	DATE	USER	RESULT	TIME	MEM	LANG
1	2009-10-27 02:14:32	Chris Howe	accepted	0.00	4.7M	RUBY
2	2009-11-08 13:01:56	hendrik	accepted	0.00	4.7M	RUBY
3	2011-01-29 16:26:14	Vikhyat Korrapati	accepted	0.00	4.7M	RUBY
4	2012-11-06 19:53:40	Danil	accepted	0.00	4.8M	RUBY
5	2013-11-20 14:38:45	Shane Xu	accepted	0.00	7.2M	RUBY
6	2006-06-16 08:10:14	Nataly Roganova	accepted	0.01	3.3M	RUBY
7	2006-06-21 14:36:19	Vadim A. Kazantsev	accepted	0.01	3.7M	RUBY
8	2006-06-28 19:22:08	pete	accepted	0.01	7.2M	RUBY
9	2006-07-13 13:03:22	nel eai	accepted	0.01	7.2M	RUBY
10	2006-08-20 12:05:03	Yann Disser	accepted	0.01	7.2M	RUBY
11	2006-11-22 13:21:36	Kulbir Saini aKa General Bordeaux	accepted	0.01	7.2M	RUBY
12	2007-03-16 21:31:41	Petru Severin	accepted	0.01	7.2M	RUBY
13	2007-09-26 05:36:13	Andrew Bennett	accepted	0.01	7.2M	RUBY
14	2008-03-22 10:36:06	worakarn isaratham	accepted	0.01	7.3M	RUBY
15	2009-03-24 17:30:04	Artem_Lakishik lav44	accepted	0.01	7.2M	RUBY
16	2010-01-01 18:15:45	vi002	accepted	0.01	5.0M	RUBY
17	2010-05-04 18:44:04	Tywan	accepted	0.01	4.9M	RUBY
18	2010-12-28 04:03:54	Tomohito URUSHIBARA	accepted	0.01	7.2M	RUBY
19	2011-04-14 07:49:44	Evgeny	accepted	0.01	7.5M	RUBY
20	2011-04-26 07:39:23	Paweł Obrok	accepted	0.01	5.0M	RUBY